Home / 979,903.52-1,352,231.80-550,201.76

Finding the Fourth Proportional to 979,903.52, 1,352,231.80 and 550,201.76

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Solution

The fourth proportional to 979,903.52, 1,352,231.80 and 550,201.76 is: 759,258.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,903.52 : 1,352,231.80 = 550,201.76 : x
  2. Step 2: Convert to fraction form
    979,903.52/1,352,231.80 = 550,201.76/x
  3. Step 3: Cross multiply
    979,903.52x = 1,352,231.80 × 550,201.76
  4. Step 4: Simplify right side
    979,903.52x = 744,000,316,287.97
  5. Step 5: Solve for x
    x = 744,000,316,287.97/979,903.52
  6. Step 6: Final answer
    x = 759,258.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.